On aphids, their host plants and speciation
Subtitle: a biosystematic study of the genus Cryptomyzus
By: J. Adriaan Guldemond
Contributors: Landbouwuniversiteit Wageningen
Publisher: Landbouwuniversiteit te Wageningen?
Published: 1990
Place of publication: Wageningen?
Language: eng
Number of pages: 159
Subjects: Aphids; Classification
Notes: Foreword, vita, introduction, and summary in Dutch.

Stellingen in Dutch inserted.

Thesis (doctoral)--Landbouwuniversiteit Wageningen, 1990.

Includes bibliographical references.